ASSE 1016, 1069 & 1070

ASSE 1016, 1069 & 1070

ASSE 1016, 1069 & 1070

Automatic Compensating Valves for

Individual Showers and Tub/Shower

Combinations

 Intended for wall-mounted showers and tub/showers

 Bather or bather’s attendant has access to flow and final temperature control

 No further mixing downstream from this device

ASSE 1016

Previous Revision…ASSE 1016-1996

 Became a “catchall” for new products and applications (lavatories, whirlpools, baths, gang showers)

 2005 rev. more clearly defined as wall- mounted showers & bath/showers only  New standards introduced for new

applications (ASSE 1069 and 1070)

ASSE 1016

ASSE 1016-2005 vs. 1996

 Scope: 2005 Shower and

Tub/Showers…1996 Individual Fixture Fittings

 Temperature variation test change from

+3oF(1996) to +3.6oF (2005) across all valve types

 2005 defines the user as the bather and

bather’s attendant, 1996 defines bather only

ASSE 1016

ASSE 1016-2005 defines three (3) types of

tempering valves

 Type P or pressure balancing

 Type T or thermostatic

 Type T/P or Combination

thermostatic/pressure balancing

ASSE 1016

Pressure Balancing - Type P

 Increase/decrease hot and cold water supply pressures by 50%

 Must hold +3.6oF/2.0oC within 1 second

 No temperature compensation requirement

 Minimum flow 2.5 gpm

 Cold water failure < 0.5 gpm

ASSE 1016

Thermostatic - Type T

 Increase/decrease hot and cold water supply pressures by 20%

 Increase hot water supply temperature 25oF

(5oF per minute)

 Must hold +3.6oF/2.0oC within 5 seconds  Minimum flow 2.5 gpm

 Cold water failure < 0.5 gpm

ASSE 1016

Combination - Type T/P

 Increase/decrease hot and cold water supply pressures by 50%

 Increase hot water supply temperature 25oF

(5oF per minute)

 Must hold +3.6oF/2.0oC within 1 second  Minimum flow tested = 2.5 gpm

 Cold water failure < 0.5 gpm

ASSE 1016

IPC - 2006



Section 416.5 – Tempered water for public

hand washing facilities

“Tempered water shall be delivered from public hand-washing facilities through an approved water temperature-limiting device that

conforms to ASSE 1070”

ASSE 1070 & IPC

IPC - 2006



Section 424.5 – Bathtub and whirlpool bathtub

valves

“The hot water supplied to bathtubs and whirlpool bathtubs shall be limited to a maximum

temperature of 120o_{F (49}o_{C) by a water}

temperature limiting device that conforms to ASSE 1070…”

ASSE 1070 & IPC

IPC - 2006



Section 408.3 – Bidet water temperature

fitting shall be limited to a maximum temperature of 110o_{F (43}o_{C) by a water}

temperature limiting device conforming to ASSE 1070…”

ASSE 1070 & IPC

Water Temperature Limiting Devices

 Tempers the hot side of valve to limit maximum outlet temperature, when mixed with cold water

 Sinks, lavatories and whirlpools/tubs  May or may not be final tempering

device

ASSE 1070

Water Temperature Limiting Devices

 Final temperature is user adjustable

 Minimize scalding risk but not thermal shock  Single or multiple fixtures

 Must prevent cross flow

ASSE 1070

Performance Requirements

 20% pressure changes to hot and cold water

supplies, 25oF hot water increase (5oF per minute)

 Maintain +7oF

 Minimum flow “Manufacturers stated”

 Cold water failure: 0.2 gpm or 20% of minimum stated, whichever is greater

ASSE 1070

IPC - 2006

 Section 424.4 – Multiple (gang) showers

“Multiple (gang) showers supplied with a

single-tempered water supply pipe shall have the water supply for the showers controlled by an approved automatic temperature

control mixing valve that conforms to ASSE 1069…”

ASSE 1069 & IPC

Automatic Temperature Control Mixing Valves

 Devices that service end-use fittings, including but not limited to gang showers and sitz baths  Supply tempered water, at a pre-set

temperature, through a single-pipe supply  For metering or on/off showers

ASSE 1069

Automatic Temperature Control Mixing Valves

 Covers single and multiple fixtures

 Bather cannot adjust final temperature, only installer or facility owner

 Maximum allowable temperature 120oF w/mechanical limit stop

 Final tempering device

ASSE 1069

Performance Requirements

 20% pressure changes to hot and cold water

supplies, 25oF hot water increase (5oF per minute)

 Maintain +3.6oF after five seconds  Minimum flow: lesser of 2.5 gpm or

manufacturer’s stated minimum

 Cold water failure: 0.5 gpm < ¾”, 1.0 gpm > 1”

ASSE 1069

– for individual showers with hot and cold water supply (mixing)

– for preset water temperature and single-pipe supply (on/off)

– includes three valve types (T/P, T, P)

– specifies one valve type, thermostatic, similar to type (T)

1016

1069

1016

1069

ASSE 1016

– valves can be adjusted by the bather for temperature and volume

– valves can only be adjusted by installer or facility owner

– valves are tested at a minimum of 2.5 gpm

– valves are tested at the lesser of 2.5 gpm or the

manufacturers stated minimum flow

1016

1069

1016

1069

ASSE 1016

– for individual showers with hot and cold water supply (mixing) and is the final tempering device

– for lavatories and tubs, tempering or limiting the

hot-water supply side temp. of a valve and may or may not be the final tempering device

– includes three valve types (T/P, T, P)

– specifies one valve type, thermostatic, similar to

type (T)

1016

1070

1016

1070

ASSE 1016

– requires temperature control of +3.6oF and is intended to minimize the risks of scalding and thermal shock

– requires temperature control of +7.0oF and

is not intended to prevent thermal shock

– minimum flow tested is 2.5 gpm

– tests to mfgrs. minimum stated flow,

typically 0.5 gpm

1016

1070

1016

1070

ASSE 1016

– provides preset water temperature to single- pipe supply (on/off) fittings like metering

showers, and is the final tempering device

– for lavatories and tubs, tempering or limiting

the hot-water supply side temp. of a valve and may or may not be the final tempering device

1069

1070

ASSE 1069

– does not allow user adjustment of flow and temperature, installer or building owner sets temperature

– does allow for user adjustment

– requires temperature control of +3.6oF

– requires control of +7.0oF, hand washing and

tub fills

1069

1070

1069

1070

ASSE 1069

Criteria ASSE 1016 ASSE 1069 ASSE 1070

Application Shower & Bath/Shower Gang Showers/Sitz Baths Lavatory/Whirlpools

Supply Mix Single Temp. Supply Mix

Valve Types T, P, T/P T T

Final Tempering Yes Yes Either

Fittings Individual Indiv. or Multi

Temp Range Full cold to 105, max 120 110 - 115F Must incl. 105 - 110F

Control +3.6o_{F +3.6}0_{F + 7}o_F

Min. Flow 2.5 gpm 2.5 gpm or mfg min. Manf. Stated min.

CWF 0.5 gpm 0.5 gpm for 1/2", _{1 gpm for 3/4"} 0.2 gpm or 20% of min. _flow Indiv. or Multi

Side by Side